I have tried again to use the option of deep sky stack to no avail, when I tried to add deep sky images to stack S30 prompts that there are no images to add. I recently gathered 2 images of M 83 with 77 minutes and 137 minutes of exposition time in two different nights but I still get the same prompt. A few months ago I used deep sky stack without any issue.
Has anybody being able to use deep sky stack lately? I believe this utility stopped working with a firmware update some time ago